Louisiana Crawfish Boil Championship Only crawfish-boiling competition registered with the state of Louisiana, plus rides, music, “all you can sample” boiled crawfish and fixings from every team. Admission: $25 adult, $10 teens, Children 12 and younger free.

Slidell Crawfish Cook-Off More than 45,000 pounds of crawfish prepared by 60 teams in an all-you-can-eat event to benefit the Hospice Foundation of the South. Admission: $25 in advance at Whitney National Banks on the north shore; $30 at the gate.

New Orleans Jazz and Heritage Festival Presented by Shell Continuous music by national acts such as Wilco, Willie Nelson, Sonny Rollins and Lauryn Hill on multiple stages, contemporary and traditional crafts, food, educational programs.